*{font-size: 12px;margin:0px;border:0px;}
td, input, button, select, body, article, section, header, p, menu{font: 12px/1.5 "Microsoft YaHei","lucida Grande",Verdana,"微软雅黑";}
body,input, select, textarea{font-family: "Microsoft YaHei","lucida Grande",Verdana;}
.banner{background:url(j_1.png) no-repeat center;  height:740px;}
.header{ width:1000px; margin:0px auto; position:relative;}
.nav {height:80px;width:415px; float:right; margin-top:45px; }
.nav ul{margin:0px auto;}
.nav ul li {line-height: 46px;float: left;height: 46px;text-align: center;width: 125px;list-style-type: none;}
.nav ul li a {font-size:20px;color: #FFF;text-decoration: none;display: block;}
.nav ul li a:hover {border-bottom:2px solid #ffc20a;color: #ffc20a;width:125px;font-weight:bold;}
.nav_ac{border-bottom:2px solid #ffc20a;color: #ffc20a;width:125px;font-weight:bold;}

.ewm {
    width: 362px;
    position: absolute;
    right: 54px;
    top: 308px;
}
.ewm1 {
    width: 362px;
    position: absolute;
    right: -145px;
    top: 308px;
}
.ewm_text{ font-size:26px; color:#fff;}
.app{ width:150px; float:left; margin-top:30px;}

.pc{width:1304px; height:880px;  margin:0px auto; position:relative;}

.p1{ background:url(j_4.png) no-repeat center;}
.p_tit{ font-size:36px; color:#5c9eff; margin-bottom:44px;}
.p_con{ font-size:22px; color:#666;line-height:40px;}
.p1_font{position: absolute; left:188px; top:88px;}

.p2{ background:url(j_5.png) no-repeat center;}
.p2_font{position: absolute; left:850px; top:-10px;}

.pc3{width:1304px; height:795px;  margin:0px auto; position:relative;}
.p3{ background:url(j_6.png) no-repeat center;}
.p3_font{position: absolute; left:240px; top:-10px;}

.p4{ background:url(j_7.png) no-repeat center;}
.p4_font{position: absolute; left:880px; top:20px;}

.p5{ background:url(j_8.png) no-repeat center;}
.p5_font{position: absolute; left:270px; top:20px;}

.pc6{width:1304px; height:800px;  margin:0px auto; position:relative;}
.p6{ background:url(j_9.png) no-repeat center;}
.p6_font{position: absolute; left:820px; top:-50px;}

.pc7{width:1304px; height:640px;  margin:0px auto; position:relative;}
.p7{ background:url(j_10.png) no-repeat center;}
.p7_font{position: absolute; left:270px; top:20px;}

.bottom{ height:150px; background-color:#29333d; padding:25px 0px;}
.bottom_font{ font-size:18px; color:#ececec; margin-top:20px; margin-left:10px; line-height:45px; float:left;}
.bottom_app{width:110px; float:right; }
.b_button{ border-radius:8px; width:110px; height:35px; color:#fff; font-size:15px; line-height:35px; text-align:center;}
.b_ios{background:#68c1f5; }
.b_android{background:#43d486; }

/*教师端*/
.t_banner{background:url(p_1.png) no-repeat center;  height:740px;}
.t_pc{width:1000px; height:704px;  margin:0px auto; position:relative;}
.t_grey{ width:100%; background-color:#f6f6f6;}
.t_p_tit{ font-size:36px; color:#3cbc5d; margin-bottom:44px;}

.t_p1{ background:url(p_4.png) no-repeat center;}
.t_p1_font{position: absolute; left:595px; top:185px;}

.t_p2{ background:url(p_5.png) no-repeat center;}
.t_p2_font{position: absolute; left:150px; top:200px;}

.t_p3{ background:url(p_6.png) no-repeat center;}

.t_pc4{width:1000px; height:622px;  margin:0px auto; position:relative;}
.t_p4{ background:url(p_7.png) no-repeat center;}
.t_p4_font{position: absolute; left:595px; top:170px;}

.t_p5{ background:url(p_8.png) no-repeat center;}

.t_bottom{background:url(p_bottom.png) no-repeat center;  height:118px; padding:100px 0px;}
.t_bottom_app{width:110px; float:right; }
.t_b_button{ border-radius:8px; width:110px; height:35px; color:#fff; font-size:15px; line-height:35px; text-align:center; border:1px solid #fff;}